SAC's biggest hedge funds, called SAC Capital Management LP and SAC Capital International Ltd.
Freeman and Longueuil continued trading on inside information in 2008, prosecutors say, after joining SAC Capital.
In 2006 SAC Capital, the hedge fund, hired him to start an energy trading desk.
Another hedge fund manager surrounded with regulatory and criminal investigations is Steve Cohen, founder of SAC Capital Advisors.
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Also joining Meister will be ex-Omega and Sandell portfolio manager Nick Graziano and ex-SAC Capital portfolio manager Mike Doniger.
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They worked together as money managers at giant hedge fund SAC Capital Advisors.
Take the two judges working on the mammoth SAC Capital Advisors insider-trading cases.
Prosecutors are also examining trades made in an account overseen by SAC Capital's Steven Cohen that were suggested by Messrs.
Reuters cites regulatory filings showing that SAC Capital owned 2.1 million Weight Watchers shares during a period in early 2011.
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Martoma worked for SAC Capital Advisors, the hedge fund led by Steven Cohen, one of the most successful managers in the industry.
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Billionaire hedge fund manager Steven Cohen, founder of SAC Capital Advisors, purchased one share, according to a person familiar with the matter.
Rengan Rajaratnam left his brother's fund, Galleon Group, in 2003 and joined Steven A. Cohen's SAC Capital Advisors LP as an analyst.
But the senator got a taste of hedge funds' frustrations with Democrats in February 2009, during a phone conversation with SAC Capital's Mr. Cohen.
Recently Wilpon approached Steve Cohen (SAC Capital Partners) and Marc Lasry (Avenue Capital) about buying a piece of the Mets but was turned down.
In addition, the feds unsealed criminal charges on Tuesday against Longueuil, who also used to work at SAC Capital and was arrested at his Manhattan home.
Steven Kessler, chief compliance officer of hedge fund SAC Capital Advisers, was lauded for his work in advancing the industry's interests in prime brokerage and securities-lending issues.
Hedge funds SAC Capital and Jana Partners bought 8% of the firm and then slammed it for squandering a chance to merge with rival E-Trade Financial Corp.
Kelly Ayotte, the Republican senator from SAC Capital Partners, which is now in the throes of an insider-trading scandal, practically begged Mr. Cook to explain how to do this.
In that indictment, Lee, an SAC Capital alumnus, was accused of avoiding hundreds of thousands of dollars in stock-market losses by receiving timely information on Asian technology company earnings.
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Steinberg, who has worked at SAC Capital since 1997, is one of nine current or former employees of the hedge fund to be tied by U.S. authorities to insider trading.
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He refused and then gave traders at SAC Capital, Citadel Asset Management, and mutual-fund firms Janus Capital Group, Wellington Management Co. and MFS Investment Management a heads up about the investigation.
Absent from the witnesses Wednesday were representatives of hedge funds SAC Capital and Rocker Partners, both defendants in separate civil lawsuits involving allegations of manipulative short-selling, as well as representatives of Gradient.
Biovail , the pharmaceutical company, joined this campaign last week with its own allegations that Gradient and hedge fund SAC Capital, among others, worked to distort its shares by disseminating false information about the company.
He has repeatedly refused to cooperate with federal agents investigating Cohen, his former boss and head of SAC Capital and its affiliates, the big hedge fund firm where Martoma used to work.
Prosecutors built another leg of the expert-network case, against former SAC Capital Advisors LLC manager Donald Longueuil, partly based on recordings that a friend and fellow fund manager secretly made of their conversations.
Cohen has not been charged with any wrongdoing but SAC Capital acknowledged in a conference call on Wednesday that the Securities and Exchange Commission (SEC) is pondering a civil suit against the hedge fund.
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Steve Cohen, the hedge fund titan who is dealing with the uncertainty of a government insider-trading investigation swirling around his firm, SAC Capital Advisors, has continued to post solid returns despite all the controversy.
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Yesterday, the SEC filed a complaint against University of Michigan neurologist Dr. Sidney Gilman and Matthew Martoma, a former portfolio manager for CR Intrinsic, a division of hedge fund behemoth SAC Capital Advisors.
Steve Cohen and SAC Capital have not been accused of any wrongdoing and an SAC Capital spokesman has said that they both acted appropriately at all times and continue to cooperate with the government investigation.
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